MARGARET JANE HERR MD
NPI 1619818788
Internal Medicine in Chicago, IL

Q: What is Margaret Herr's NPI number?

The NPI number for Margaret Herr is 1619818788. It was assigned to this individual provider in the NPPES registry on April 2, 2026.

Q: What is Margaret Herr's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Margaret Herr was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 02, 2026

5841 S MARYLAND AVE STE MC7082, CHICAGO, IL 60637(773) 702-6840(773) 702-2230 Get Directions Write a Review

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: May 18, 2026, Apr 2, 2026 (2 updates tracked since 2026).

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About Margaret Jane Herr Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET JANE HERR MD (NPI 1619818788) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125.087592) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1619818788

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMARGARET JANE HERRCredential: MD

Location Address5841 S MARYLAND AVE STE MC7082Chicago, IL 60637-1465

Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150

Phone(773) 702-6840

Fax(773) 702-2230

Sole ProprietorYes

Enumeration DateApril 2, 2026

Last NPPES UpdateMay 18, 20262 updates tracked since enumeration

NPPES CertifiedMay 18, 2026

✔ NPI 1619818788 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 125.087592

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

5841 S MARYLAND AVE STE MC7082, Chicago, IL 60637

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SARAH JARJOUR

Internal Medicine